package com.lv.file;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.lv.data.Result;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

@Controller
@RequestMapping("file")
@CrossOrigin
public class FileController {


    @RequestMapping("upload")
    @ResponseBody
    public Result upload(@RequestParam("myFile") MultipartFile file){
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String http = "https://";
        String endpoint = "oss-cn-beijing.aliyuncs.com";
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = "LTAI5tAScPgVEQZMsd1Ubntk";
        String accessKeySecret = "IuJabnSiZhP1xTeLHRZ1g7GXNP7M7v";
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "lvpin";
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        //文件的路径
        String objectName = "image/"+file.getOriginalFilename();


        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(http+endpoint, accessKeyId, accessKeySecret);

        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName,file.getInputStream());

            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传字符串。
            ossClient.putObject(putObjectRequest);
        } catch (OSSException oe) {
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
            return Result.ER();
        } catch (ClientException ce) {
            System.out.println("Error Message:" + ce.getMessage());
            return Result.ER();
        } catch (IOException e){
            e.printStackTrace();
            return Result.ER();
        }finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        StringBuffer buffer = new StringBuffer();
//        buffer.append(http).append(bucketName).append(".").append(endpoint).append("/").append(objectName);
        buffer.append(http).append(bucketName).append(".").append(endpoint).append("/").append(objectName);
        return Result.OK().setData(buffer.toString());

    }
}
